Frequencies for first 10,000 rows of fmaps variable in natlterr1995 dataset :

Five Minute |
Apgar Score |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         23        0.23        0.23
          1 |         10        0.10        0.33
          2 |          4        0.04        0.37
          3 |          9        0.09        0.46
          4 |         11        0.11        0.57
          5 |         29        0.29        0.86
          6 |         46        0.46        1.32
          7 |        133        1.33        2.65
          8 |        580        5.80        8.45
          9 |      8,440       84.40       92.85
         10 |        689        6.89       99.74
         99 |         26        0.26      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Dec 2015